From: sfan5 Date: Fri, 22 May 2020 13:25:47 +0000 (+0200) Subject: Optimize particlespawner sending by not sending to distant players X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=10c3002aea784b5f0075f3f3e3ec824b6ba546ba;p=oweals%2Fminetest.git Optimize particlespawner sending by not sending to distant players --- diff --git a/src/server.cpp b/src/server.cpp index d6e545498..8c62584c8 100644 --- a/src/server.cpp +++ b/src/server.cpp @@ -1549,12 +1549,30 @@ void Server::SendSpawnParticle(session_t peer_id, u16 protocol_version, void Server::SendAddParticleSpawner(session_t peer_id, u16 protocol_version, const ParticleSpawnerParameters &p, u16 attached_id, u32 id) { + static thread_local const float radius = + g_settings->getS16("max_block_send_distance") * MAP_BLOCKSIZE * BS; + if (peer_id == PEER_ID_INEXISTENT) { std::vector clients = m_clients.getClientIDs(); + const v3f pos = (p.minpos + p.maxpos) / 2.0f * BS; + const float radius_sq = radius * radius; + /* Don't send short-lived spawners to distant players. + * This could be replaced with proper tracking at some point. */ + const bool distance_check = !attached_id && p.time <= 1.0f; + for (const session_t client_id : clients) { RemotePlayer *player = m_env->getPlayer(client_id); if (!player) continue; + + if (distance_check) { + PlayerSAO *sao = player->getPlayerSAO(); + if (!sao) + continue; + if (sao->getBasePosition().getDistanceFromSQ(pos) > radius_sq) + continue; + } + SendAddParticleSpawner(client_id, player->protocol_version, p, attached_id, id); }